Topics: Skin Structure, Growth, & Nutrition Quiz
What is a fibrous protein that gives skin form and strength?
A. keratin
B. dermal papillae
C. papule
D. collagen
Select your answer:

Topics:
Genes and DNA Division of Microbiology Laser in Medicine Parts of the Body Respiratory Diseases Brain and Nervous System Diseases & Disorders Body Structures and Organ Systems The Human Body Health - Nutrition Nutrition Lipid Obesity Principle of Health Science CVA Musculoskeletal DisordersOther quiz:
Respiration › ViewWhat organisms that NOT undergo respiration
A. Animals
B. Plants
C. Rocks
D. Fish
Transportation and Excretion › View
The organ that removes metabolic wastes including urea, excess water, and salts from the blood.
A. lung
B. liver
C. kidney
D. colon